versus obama's 25%. the first presidential debate focused on domestic issues and the candidates found plenty to spar over. >> i like the fact that if my state we had republicans and democrats come together and work together. what you did instead was to push through a plan without a zippable republican vote. >> over the that's two years health care premiums have gone up. it's true and they've gone up slower than any time in the last 50 years. >> reporter: in the and the deaf it the -- and the deficit. >> i put together a specific $4 trillion deficit reduction plan. >> my number one principle is there'll be no tax cut that adds to the deficit. >> reporter: the president challenged thnumbers. >> it is not possible to come up with enough deductions and loopholes that only affect high income individuals to avoid either raising the deficit, or burden the middle class. it's -- it's mad. >> reporter: romney emphasized one of the campaign principles. >> it's absolutely extraordinary, we have 23 million people out